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12697594931000 = 235373795099403
BaseRepresentation
bin1011100011000110001110…
…1000101010011100111000
31122221212201020000100002202
42320301203220222130320
53131014133300243000
643001110010245332
72450241145051040
oct270614350523470
948855636010082
1012697594931000
114056024349571
121510a66a26848
137114bb7b7875
1431c7d1704720
15170460c9edd5
hexb8c63a2a738

12697594931000 has 256 divisors, whose sum is σ = 34117110144000. Its totient is φ = 4332983155200.

The previous prime is 12697594930987. The next prime is 12697594931017. The reversal of 12697594931000 is 13949579621.

It is a super-2 number, since 2×126975949310002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1350372299 + ... + 1350381701.

It is an arithmetic number, because the mean of its divisors is an integer number (133269961500).

Almost surely, 212697594931000 is an apocalyptic number.

12697594931000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12697594931000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17058555072000).

12697594931000 is an abundant number, since it is smaller than the sum of its proper divisors (21419515213000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12697594931000 is a wasteful number, since it uses less digits than its factorization.

12697594931000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10319 (or 10305 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 12697594931000 in words is "twelve trillion, six hundred ninety-seven billion, five hundred ninety-four million, nine hundred thirty-one thousand".